The management at my condo association sent all the residents a notice that our roses might have rose rust and suggesting that infected roses should be either cut back or removed. My roses are ...

Many gardeners will be enjoying the warm weather, but it is incredibly important to monitor roses as the humid weather can encourage diseases like rust to spread. Rust is a fungal infection unique to ...

Roses do not have thorns; they have prickles. But there ARE “thorns” in the rose garden. Their names are botrytis, black spot, rust, downy mildew, anthracnose and cerospora leaf spot. They are all ...

Spring has sprung and gardeners are digging in. Got questions as you carry on? Get answers from Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU ...

Remember when you would walk into the classroom and your teacher would announce a pop quiz? Sometimes this felt like punishment, but the quizzes were often a great learning tool. Now’s your chance to ...

Q: While deadheading our rose bushes I found what appears to be rust. What causes this and is there anything I can do to prevent it? - Cliff Bjornstad, Fargo A: Rust is a fungus disease and by your ...

Q: Last year, my roses had a case of rust and some insect issues, so I treated them with Neem Oil. Afterward, all of my rosebushes lost all of their leaves and they didn’t come back until later in the ...

What happens when you combine mild weather, rain that lasts for a day or two, and rapidly growing plants fighting for space? Besides a bounty of flowers, foliage might take on an orange-splattered ...

CORVALLIS, Ore. – Charmingly mild weather this winter will most likely coax roses into bloom early, which means dealing with the usual diseases and pests earlier, too. When it comes to one of the ...